LinqExtensions.DataFrameLookup<TKey, R, C>.Contains Method

Determines whether a specific key exists in the lookup.

Definition

Namespace: Numerics.NET.DataAnalysis.Linq
Assembly: Numerics.NET (in Numerics.NET.dll) Version: 9.0.2

public bool Contains(
	TKey key
)

Visual Basic

Public Function Contains ( 
	key As TKey
) As Boolean

C++/CLI

public:
bool Contains(
	TKey key
)

member Contains : 
        key : 'TKey -> bool